landscape fragmentation
[ˈlændskeɪp ˌfrægmənˈteɪʃən]
nounpl: landscape fragmentations
fragmentação da paisagem
1. The process by which a landscape is broken into smaller, isolated patches of habitat due to human activity, natural processes, or infrastructure development
Landscape fragmentation caused by urban sprawl has severely impacted wildlife corridors in the region.
A fragmentação da paisagem causada pela expansão urbana impactou severamente os corredores de vida selvagem na região.
2. In ecology and conservation biology, the spatial separation of habitat patches that disrupts ecosystem connectivity and reduces biodiversity
The construction of highways contributed to landscape fragmentation, isolating populations of forest-dwelling species.
A construção de rodovias contribuiu para a fragmentação da paisagem, isolando populações de espécies que vivem em florestas.
3. The breaking up of continuous natural environments into disconnected pieces due to roads, dams, agriculture, or development
Landscape fragmentation remains a major threat to biodiversity in tropical regions.
A fragmentação da paisagem continua sendo uma ameaça importante à biodiversidade em regiões tropicais.
This term is increasingly important in Brazil due to significant deforestation and urban expansion, particularly in the Amazon and Atlantic Forest regions. It is a key concern for environmental agencies (IBAMA) and conservation organizations. In the USA, it is widely discussed in conservation planning and environmental impact assessments, particularly regarding species like jaguars, bears, and migratory birds. The concept has become central to landscape ecology as a scientific discipline in both countries.
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